Cushion|Lab Grown|IGI

3.66ct F VVS1 Cushion Lab Grown Diamond

ID • F/VVS1 • IGI LG845616966

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG845616966

Diamond specifications and retailer prices

From £814 GBP

As of October 27, 2026

Save £1,720 GBP (68%) vs most expensive(unlock to see where)

14 retailers carry this diamond

Most expensive: £2,681 GBP at MOH London · As of October 25, 2026

View at MOH London

About this 3.66ct lab-grown cushion diamond

This 3.66ct lab-grown cushion sits in the three to five carat band, graded F colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG845616966 or 845616966. Listed at 14 retailers as of October 27, 2026, with a 211% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.66

Carat

Colour

VVS1

Clarity

Ideal

Cut

Specifications

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

Crown angle38°

Pavilion angle37.5°

OriginLab Grown

Grading LabIGI

CertificateIGI LG845616966

Dimensions10.91 × 7.77 × 5.25 mm

L/W Ratio1.40

Girdle conditionFaceted

Cert comments

This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa

View IGI Report →View Loupe360 Video →

Top View

OriginLab Grown

CutIdeal

PolishExcellent

SymmetryExcellent

FluorescenceNone

CertificateIGI LG845616966

Side View

Caratlytics Score

How it works →

Excellent

Excellent quality and great value

Unlock full score analysis

See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 27

Current: £2,681 GBP|Low: £675 GBP|High: £2,681 GBP|Avg: £1,594 GBP

MOH London

Retailer 2

Retailer 3

Retailer 4

Retailer 5

Retailer 6

Retailer 7

Retailer 8

Retailer 9

Retailer 10

Retailer 11

Retailer 12

Retailer 13

Retailer 14

Retailer 15

October 28, 2026

Retailer 10£675 GBP

Retailer 11£814 GBP

Retailer 2£861 GBP

Retailer 4£1,001 GBP

Retailer 3£1,012 GBP

Retailer 9£1,060 GBP

Retailer 13£1,079 GBP

Retailer 5£1,643 GBP

Retailer 7£1,660 GBP

Retailer 8£1,820 GBP

Retailer 6£2,235 GBP

Retailer 12£2,353 GBP

Retailer 15£2,422 GBP

Retailer 14£2,534 GBP

MOH London£2,681 GBP

8 data points across 15 retailers

14 retailers£814 GBP to £2,534 GBP

Cheapest Retailer

£814 GBP

Retailer 2

£861 GBP

$1,155 USD

View

Price last confirmed 5 days ago

Retailer 3

£1,001 GBP

$1,343 USD

View

Price last confirmed 7 days ago

Retailer 4

£1,012 GBP

$1,358 USD

View

Price last confirmed 6 days ago

Retailer 5

£1,060 GBP

€1,355 EUR

View

Retailer 6

£1,079 GBP

View

Retailer 7

£1,643 GBP

ZAR 35,618 ZAR

View

Price last confirmed 9 days ago

Retailer 8

£1,660 GBP

A$3,427 AUD

View

Price last confirmed 12 days ago

B+

Retailer 9

£1,820 GBP

$2,442 USD

View

Retailer 10

£2,235 GBP

$2,999 USD

View

Price last confirmed 7 days ago

B+

Retailer 11

£2,353 GBP

SGD 4,267 SGD

View

B+

Retailer 12

£2,422 GBP

$3,250 USD

View

Retailer 13

£2,534 GBP

$3,401 USD

View

Most Expensive

MOH London

LG845616966 · Oct 25

£2,681 GBP

View

Price last confirmed 8 days ago

13 more retailers have this diamond

Prices start from £814 GBPSave up to £1,720 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

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3.66ct Cushion

£814 GBP